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One Plus 3 is an awesome smartphone that was released in
June 2016. This 4G LTE device runs on Android 6.0 Marshmallow and has a 64GB
internal memory and a 6GB RAM. Another amazing feature of the OnePlus Three
smartphone is the 16MP Primary Camera and FingerPrint Scanner.

In this post, I'm going to show you how you can;

How to
install ADB and fastboot

How to
unlock bootloader

How to
flash TWRP recovery

How to
create nandroid backup

How to
root with SuperSU

How to
install custom ROM

How to
create EFS backup

All on your One Plus 3 smartphone. Remember to BACK UP your
DATA before you begin.

Now Enable USB Debugging on your OnePlus 3 smartphone - do
this from Settings > About Device > tap the Build Number 7 times to
enable the Developer Options. Now tap Settings >Developer Options and check
the Enable USB Debugging box.

Still Under Setting >>
Developer Options: Enable OEM Unlock

Still Under Settings >>
Developer Options: Enable Advance Reboot.

ONEPlus
3: How to flash TWRP recovery

Download the TWRP Recovery FileHERE. Then rename the file to Recovery.img

Now turn off the phone and place it into recovery mode.

Connect the Phone to PCand Hold SHIFT + RIGHT CLICK and
click Open Command Prompt from the
menu on the screen.

Execute the command: fastboot
flashrecovery recovery.img

When
the file installation is complete. Disconnect and hold
the VOLUME UP + POWER buttons together to boot ONEPLUS 3 into Recovery.